38results about How to "Rich in fertility" patented technology

The invention relates to the technical field of plantation and concretely relates to a selenium-enriched passion fruit plantation method. The method comprises the following steps of (1) selecting a piece of land, (2) performing transplanting, (3) managing water and fertilizer and (4) performing field management regularly. In the method, selenium-enriched mushrooms are matched with other farmyard manure to replace traditional selenium-enriched chemical fertilizers, so the output of the passion fruits is great and average selenium content of an individual passion fruit is high and average heavy metal is low; and therefore, the selenium-enriched passion fruit plantation method is suitable for promotion.

The invention discloses a fertilizing method capable of improving the lodging resistance of alfalfa plants. The fertilizing method comprises the following steps: step one, mixing a first soil layer with the depth of above 15 cm with a first organic fertilizer and vermiculite to obtain first soil before sowing; step two, mixing a second soil layer with the depth of 15 to 30 cm with mixed powder anda second organic fertilizer to obtain second soil; step three, after mixing and stirring a third soil layer with the depth of below 30 cm with a third organic fertilizer uniformly, paving the mixturein a room of 25 to 28 DEG C for 12 to 18 h so as to obtain third soil; and step four, paving liquid storage layers between the third soil and the second soil and between the second soil and the firstsoil respectively so as to obtain an alfalfa planting land. Fertilization is carried out on the soil of the planting land in batches, the fertilizer with the ingredients in proportion is applied at different periods so as to improve the lodging resistance of alfalfa, so that the purpose of improving the alfalfa yield and product quality is reached.

The invention relates to a special planting substrate for leafy organic vegetables. The special planting substrate is prepared from the following preparation ingredients through be metered by volume parts: 2 to 4 parts of turfy soil, 2 to 4 parts of matured sheep excrement-straw mixtures, 2 to 4 parts of matured mushroom waste, 1 to 3 parts of perlite and 0.8 to 1.2 parts of matured soybean cake. The special planting substrate for leafy organic vegetables has the advantages that the weight is light; the fertility is rich; the cost is low; the morbidity is reduced; the plant adverse resistance is improved; the vegetable quality is improved.

The invention relates to the technical field of cultivation of litchi seedlings, in particular to a cultivation method for selenium-rich litchi seedlings. The cultivation method comprises steps as follows: cultivation land selection for domestication, seed treatment, germination acceleration, transplanting to a greenhouse and fertilization, and soil fertilizer and foliar fertilizer with high selenium content are applied in the fertilization process. Litchi seeds obtained with the method have strong anti-decay property and are not prone to decaying, the survival rate of seedlings grown from germinated seeds is high, the fruiting rate is high after the seedlings grow into plants, the yield is high, litchi pulp quality is excellent, the selenium content is high, and the cultivation method is suitable for being popularized in the field.

The invention relates to a special fertilizer for planting corns. The special fertilizer is prepared from the following raw materials in parts by weight: 30-50 parts of dry mature powder, 30-40 partsof a potassium fertilizer, 30-40 parts of urea, 12-26 parts of algin, 12-26 parts of algae iodate, 30-40 parts of monoammonium phosphate, 30-40 parts of ammonium chloride, 30-40 parts of sapropel, 30-40 parts of a bean cake fertilizer, 30-40 parts of silkworm excrement, 30-40 parts of jasmine residue, 10-20 parts of sweet potato residue, 20-30 parts of peanut root powder, 10-20 parts of radix scutellariae, 20-30 parts of spica prunellae, 12-26 parts of acanthopanax senticosus, 12-26 parts of herba schizonepetae, 10-20 parts of red dates, 12-26 parts of herba houttuyniae, 20-30 parts of honeysuckle flowers, 12-26 parts of cloves, 16-26 parts of organic silicon, 30-40 parts of wormcast and 1.8-2.2 parts of microelements. The fertilizer has the characteristics that the immunity of the corns can be improved, the corn particles are big, uniform and plump, the yield is effectively increased, and the like.

The invention relates to the technical field of organic fertilizer, in particular to organic fertilizer prepared from biomass, and a preparation method thereof. The organic fertilizer is prepared fromthe following raw materials in parts by weight: 50-80 parts of bone, 20-40 parts of spent mushroom compost, 20-40 parts of faeces, 10-20 parts of peanut bran, 20-40 parts of biogas residue, 10-20 parts of sludge, 10-20 parts of moringa oleifera, 10-20 parts of pineapple peel, 10-20 parts of durian shell, 10-20 parts of cassava residue and 2-4 parts of fungicide. The organic fertilizer takes the biomass as raw materials, has the characteristics of rich nutrition, enough fertility and the like, and is capable of accelerating plants to thrive, avoiding soil hardening and improving soil permeability.

The invention provides a multifunctional stable coated fertilizer, which mainly comprises the following components (by weight): 900-1000 parts of a fertilizer nutrient raw material, 20-40 parts of a bonding aid, 40-60 parts of ammoniated humic acid, 10-30 parts of biochar, 1-10 parts of a microbial agent, and 1-10 parts of other auxiliaries. The multi-functional stable coated fertilizer of the invention can effectively solve the problem of surface fading of the fertilizer by adding the modified humic acid-ammoniated humic acid; and the carbon-nitrogen ratio can be regulated with the cooperation of biochar, and the survival rate of bacillus microorganisms can be raised. The appearance of the fertilizer can be improved, and fertilizer efficiency of the fertilizer also can be enhanced.

The invention provides a light three-dimensional greening water-retaining substrate, and belongs to the technical field of garden agriculture. The light three-dimensional greening water-retaining substrate comprises components in parts by weight as follows: 20-35 parts of turfy soil, 5-10 parts of a water-retaining agent, 8-12 parts of compost sludge, 4-8 parts of perlite, 4-8 parts of vermiculite, 5-10 parts of activated carbon, 6-10 parts of a slow release fertilizer and 1-10 parts of an auxiliary agent, wherein the water-retaining agent is a water-absorbing gel material, and the auxiliary agent is one or more of a growth regulator, an antibacterial agent and a pH regulator. The water-retaining substrate has good water-retaining property and lower specific gravity, and water loss is greatly reduced by utilizing good water absorption and water retention performance of the water-absorbing gel material.

The invention relates to a fertilizer special for jasminum sambac planting. The fertilizer is prepared from the following raw materials by weight: 30-50 parts of dry manure powder; 30-40 parts of a potassium fertilizer; 30-40 parts of urea; 12-26 parts of a cytex; 12-26 parts of algae iodate; 30-40 parts of monoammonium phosphate; 30-40 parts of ammonium chloride; 30-40 parts of sapropel; 30-4 parts of bean cake fertilizer; 30-40 parts of silkworm excrement; 30-40 parts of jasminum sambac residue; 10-20 parts of sweet potato residue; 20-30 parts of peanut root powder; 10-20 parts of scutellaria baicalensis; 10-20 parts of prunella vulgaris; 12-26 parts of forsythia suspense; 12-26 parts of cinnamomum tamala; 10-20 parts of Ziziphus zizyphus; 12-26 parts of Houttuynia cordata; 20-30 parts of lonicera japonica thunb.; 12-26 parts of syzygium aromaticum; 16-26 parts of organosilicon; 30-40 parts of earthworm cast; and 1.8-2.2 parts of trace elements. The fertilizer provided by the invention has the advantages of enhancement of immunocompetence, large, uniform and full grained product, effective increase of output and the like.

The invention provides a water retaining, fertilizer supplying, and pH adjusting type plateau red earth modifier and applications thereof, and relates to the technical field of soil modifiers. The plateau red earth modifier comprises following raw materials in parts by weight: 26 to 35 parts of a fermented duckweed fertilizer, 15 to 27 parts of fermented straws, 25 to 42 parts of expanded perlite,40 to 55 parts of pond sludge, 13 to 21 parts of hydroxyl apatite, and 3 to 6 parts of quicklime. The provided plateau red earth modifier can increase the organic substances in soil, has a good waterretaining and fertilizing retaining performance, can adjusting the pH value of soil for a long term, can prevent soil hardening, and has a good effect on improving the crop quality and increasing thecrop output.

The invention discloses a special bud-protecting fertilizer for water-fertilizer integrated planting of day lily and a preparation method of the special bud-protecting fertilizer, and relates to the technical field of formula fertilization. The special bud-protecting fertilizer for water-fertilizer integrated planting of day lily comprises the following raw materials, by weight: 30-50 parts of urea, 30-50 parts of calcium superphosphate, 20-30 parts of monopotassium phosphate, 15-25 parts of vitamin, 3-10 parts of oligosaccharins and 8-15 parts of humic acid. The special fertilizer is specially developed according to the special fertility requirement of the day lily in the full-bloom stage, the pertinence is high, and compared with non-pertinence commercially available fertilizers, the useamount of the fertilizer is greatly reduced, and the fertilizer cost is saved; the fertilizer is a water-soluble nutrient component, is quick to dissolve and supply nutrients, does not contain any auxiliary component, and does not block a drip irrigation pipeline; the method is simple in processing and preparation process, low in energy consumption, easy to operate, flexible in production, convenient to apply and easy to popularize and apply in large area in water-saving day lily cultivation.

The invention relates to a micro-ecologic organic fertilizer fermented from viscera of fish and shellfish and a manufacturing method thereof and belongs to the technical field of organic fertilizers production. The method includes following steps: (1) performing high-density cultivation and high-spore-rate conversion cultivation to bacillus natto to prepare a high-efficiency fermentation agent; (2) mixing and pre-treating the viscera of fish and shellfish with certain auxiliary materials; (3) adding the fermentation agent with stirring uniformly; and (4) performing constant-temperature stack fermentation to prepare the finish product of the micro-ecologic organic fertilizer. The micro-ecologic organic fertilizer contains not less than 10% of total nutrients including N, P2O5 and K2O and not less than 45% of organic substances, and is not less than 6*10<9> / g in live bacteria number of the bacillus natto. The micro-ecologic organic fertilizer not only includes abundant nutrients required in growth of crops but also has a large amount of probiotics, bacillus natto. By means of the effects of the bacillus natto, the organic substances, which are difficult to absorb, in the soil can be decomposed to generate humus which is absorbable by crops, thereby improving soil structure, enhancing soil fertility and reducing soil bulk density. The micro-ecologic organic fertilizer can improve soil arability so that an urgent demand of green organic agriculture production can be greatly satisfied.

The invention relates to a fertilizer special for dragon fruit planting. The fertilizer is prepared from the following raw materials in parts by weight: 30-50 parts of dry feces powder, 30-40 parts ofpotash fertilizer, 30-40 parts of urea, 12-26 parts of algin, 12-26 parts of algae iodate, 30-40 parts of monoammonium phosphate, 30-40 parts of ammonium chloride, 30-40 parts of sapropel, 30-40 parts of bean cake fertilizer, 30-40 parts of silkworm excrement, 30-40 parts of bagasse, 10-20 parts of bee apiary, 20-30 parts of peanut bran, 20-30 parts of scutellaria baicalensis, 20-30 parts of garlic paste, 20-30 parts of selfheal, 20-30 parts of radix sophorae flavescentis, 20-30 parts of schizonepeta, 20-30 parts of red dates, 20-30 parts of houttuynia cordata, 20-30 parts of honeysuckle, 20-30 parts of clove, 20-30 parts of isatis root, 12-26 parts of organic silicon, 2-6 parts of tomatotone and 1.8-2.2 parts of trace elements. The fertilizer special for dragon fruit planting has the features of enhancing immunocompetence, and the like.

The invention relates to the technical field of a fertilizer preparation auxiliary material and particularly discloses a preparation method of an organic fertilizer preparation auxiliary material. Thepreparation method is characterized by comprising the following steps: (1) putting bones into a pot, adding clear water in an amount which is 3 to 4 times that of the bones, adding a proper amount ofrice vinegar, making soup to be milk white, separating the bones and the soup, and placing the bones and the soup separately for future use; (2) drying the cooked bones, crushing the bones by utilizing a crushing machine until 260 to 300 meshes to obtain bone meal for future use; (3) mixing the soup and the bone meal, adding soil in an amount which is 2 to 4 times the total weight of the materials, mixing, adding 0.5 to 2 percent of microbial inoculum according to the total weight of the materials, mixing uniformly, and fermenting for 3 to 5 months to obtain a fermenting mixture for future use; and (4) drying the fermenting mixture to obtain the organic fertilizer preparation auxiliary material. The organic fertilizer preparation auxiliary material has the characteristics of rich nutrition, sufficient fertility, capability of preventing soil hardening, easily available raw materials, low preparation cost and the like.

The invention discloses a preparation process of a composite fertilizer. Crushed materials also comprise herbicides; by selecting ingredients of the herbicides, the composite fertilizer has the weeding function while providing the fertility; the use function of the composite fertilizer is expanded; the fertility of the composite fertilizer can be enhanced through the reasonable mixture ratio of products, urea, potassium chloride and butachlor; butachlor oil and attapulgite are added during granulation; the butachlor enables the herbicides and the fertilizers to be uniformly mixed during the granulation; the pressure resistance capability of the composite fertilizers can be improved through the attapulgite; by controlling the pH of the butachlor oil, the problem of fast degradation of pesticide active ingredients under acid conditions can be solved. The composite fertilizer prepared by the preparation process has the advantages of multifunction and good pressure resistant capability; the market prospects are wide.

The invention relates to the technical field of planting, in particular to a jasmine flower planting method. The method is characterized by comprising pot culture and transplanting. The method has theadvantages that the culture survival efficiency can be improved, jasmine flower roots can also be protected from damage during transplanting, and the survival rate of jasmine flowers during transplanting is greatly increased.

The invention discloses a base fertilizer for hotbed chives. The base fertilizer contains the following components in parts by mass: 50-60 parts of animal manure, 20-30 parts of pond sludge, 10-15 parts of corncob powder, 10-20 parts of bean cakes, 10-20 parts of rice husk, 10-15 parts of humic acid, 10-15 parts of biogas residue, 1-3 parts of carbendazim and 1-2 parts of phoxim granules. The basefertilizer is simple in proportion and rich in fertility, and is safe and reliable, the yield of hotbed chives can be obviously increased, and hotbed chives can have disease resistance.

The invention discloses a base fertilizer for cauliflowers. The base fertilizer contains the following components in parts by mass: 50-60 parts of animal manure, 20-30 parts of pond sludge, 10-15 parts of corncob powder, 10-20 parts of plant ash, 10-15 parts of humic acid and 3-5 parts of biogas slurry. The base fertilizer is simple in proportion, rich in fertility, safe, reliable and capable of obviously increasing the yield of the cauliflowers.

The invention relates to special fertilizer for planting peanuts. The special fertilizer is prepared from the following raw materials in parts by weight: 30 to 50 parts of biogas waste fertilizer, 30to 40 parts of potash fertilizer, 30 to 40 parts of urea, 12 to 26 parts of algin, 12 to 26 parts of algae iodate, 30 to 40 parts of ammonium dihydrogen phosphate, 30 to 40 parts of ammonium chloride,30 to 40 parts of sapropel, 30 to 40 parts of soya-bean cake fertilizer, 30 to 40 parts of silkworm feces, 30 to 40 parts of arabian jasmine flower residues, 10 to 20 parts of sweet potato wastes, 20to 30 parts of peanut root powder, 12 to 22 parts of scutellaria baicalensis, 12 to 22 parts of spica prunellae, 12 to 22 parts of herba pterocephali, 20 to 30 parts of radix linderae, 12 to 22 partsof fructus jujubae, 12 to 22 parts of sapindus mukorossi gaertn, 20 to 30 parts of flos lonicerae, 12 to 22 parts of flos caryophylli, 16 to 26 parts of organosilicon, 30 to 40 parts of wormcast and1.8 to 2.2 parts of trace element. The peanuts disclosed by the invention have the characteristics of capability of enhancing immunity and improving the yield, great length, well proportion, full particles and the like.

The invention discloses environment-friendly residue-free fertilizer for tomato planting. The fertilizer is prepared from the following raw materials in parts by weight: 4-9 parts of alginic acid, 0.1-0.5 part of trace elements, 0.1-0.5 part of compound probiotics, 10-15 parts of plant ash, 9-15 parts of woody plant powder, 0.4-0.9 part of sodium chloride, 1-5 parts of polyacrylamide, 2-7 parts ofpolymer water-absorbent resin, 20-30 parts of decayed fruit, 0.3-0.7 part of cellulase, 7-12 parts of lime powder, 3-7 parts of perlite, 4-9 parts of potassium sulfate, 2-6 parts of phosphorus pentoxide, 0.2-0.7 part of enzyme bacteria, 0.5-0.8 part of urease inhibitor, 3-8 parts of water retention agent, 2-7 parts of ethylenediamine tetraacetic acid disodium salt, 10-15 parts of calcium magnesium phosphate and 0.4-0.8 part of microbial agent. The environment-friendly residue-free fertilizer for tomato planting is prepared from the green and pollution-free raw materials, is comprehensive andlasting in fertility, does not need to be frequently applied in a supplementing way, is time-saving and labor-saving, and reduces the pollution, caused by chemical fertilizer, to the environment; furthermore, the plants applied with the fertilizer have the characteristics of being rapid in growth speed, good in growth vigor, and the like.

The invention relates to a special fertilizer for mulberry tree planting. The special fertilizer for mulberry tree planting is prepared from the following raw materials in parts by weight: 30-50 partsof dry manure powder, 30-40 parts of a potassium fertilizer, 30-40 parts of urea, 30-40 parts of tea leaf residues, 30-40 parts of monoammonium phosphate, 30-40 parts of ammonium chloride, 30-40 parts of sapropel, 30-40 parts of a bean cake fertilizer, 30-40 parts of silkworm excrement, 30-40 parts of peanut root powder, 10-20 parts of bee hive, 20-30 parts of soybean meal, 20-30 parts of herba andrographitis, 20-30 parts of minced garlic, 20-30 parts of trametes robiniophila, 20-30 parts of cordate houttuynia, 20-30 parts of honeysuckle, 20-30 parts of clove, 20-30 parts of radix isatidis, 16-26 parts of organosilicone, 2-5 parts of sodium cyclamate, seaweed 20-30 parts of algin and 1.8-2.2 parts of trace elements. The special fertilizer for mulberry tree planting has the characteristicsof lasting fertility, capabilities of promoting the healthy and strong growth of mulberry trees and enhancing the immunity and the like.

The invention discloses base fertilizer used for tomatoes. The base fertilizer comprises the following components in parts by mass: 50-60 parts of animal manure, 20-30 parts of pond sludge, 10-15 parts of corncob powder, 10-20 parts of soybean cakes, 10-20 parts of rice hulls, 30-50 parts of smashed straw, 2-5 parts of N-P-K compound fertilizer, 10-15 parts of humic acid, 10-15 parts of biogas residue, 1-3 parts of carbendazim, 1-2 parts of phoxim granules, 1-3 parts of rapidly available phosphorus, 1-3 parts of rapidly available potassium and 1-3 parts of rapidly available nitrogen. The basefertilizer disclosed by the invention is simple in ratio, rich in fertility, safe and reliable and can obviously increase yield and provide disease resistance.

The invention discloses a base fertilizer for eggplant, which contains the following components in parts by weight: 50-60 parts of animal manure, 20-30 parts of compost, 10-15 parts of plant ash, 40-60 parts of beans garden soil, 10-20 parts of vermiculite flour, 10-15 parts of biogas residue, 3-5 parts of mineral substances, and 1-3 parts of fulvic acid. The base fertilizer is simple in matching,rich in fertility, safe and reliable, and capable of obviously increasing the yield.

The invention discloses a rice planting dedicated high-efficiency compound fertilizer which is prepared from the following raw materials in parts by weight: 7 to 10 parts of puffed chicken manure, 0.5to 1 part of mixed culture powder, 5 to 9 parts of calcium magnesium phosphate fertilizer, 2 to 7 parts of nitrophenol, 3 to 7 parts of potassium citrate, 1 to 4 parts of monopotassium phosphate, 0.2to 0.6 part of epsilon-polylysine, 0.4 to 0.8 part of sodium selenite, 2 to 6 parts of organic water-soluble carbon, 1 to 4 parts of disodium ethylenediamine tetraacetate, 2 to 8 parts of sodium glutamate, 1 to 5 parts of acid-resisting type sodium carboxymethyl cellulose, 6 to 12 parts of calcium magnesium phosphate fertilizer, 8 to 15 parts of decomposed cow dung, 1 to 4 parts of lactobacillusplantarum, 4 to 8 parts of edible mushroom dreg, 1 to 5 parts of isomaltooligosaccharide, 1 to 6 parts of methylenesuccin, 4 to 7 parts of earthworm powder and 8 to 12 parts of rice hull powder. The fertilizer disclosed by the invention is prepared from the green pollution-free raw materials, has comprehensive and durable fertility, avoids frequent supplementary fertilizer application, saves timeand labor and reduces pollution of chemical fertilizer to environment; furthermore, plants to which the organic fertilizer is applied have the advantages of quick growing speed, good growth vigor andthe like.

The invention relates to the technical field of plantation and concretely relates to a selenium-enriched passion fruit plantation method. The method comprises the following steps of (1) selecting a piece of land, (2) performing transplanting, (3) managing water and fertilizer and (4) performing field management regularly. In the method, selenium-enriched mushrooms are matched with other farmyard manure to replace traditional selenium-enriched chemical fertilizers, so the output of the passion fruits is great and average selenium content of an individual passion fruit is high and average heavy metal is low; and therefore, the selenium-enriched passion fruit plantation method is suitable for promotion.

The invention discloses a cultivation method for biodiesel trees, and belongs to the technical field of planting. The method includes the following steps of soil preparation, seedling cultivation, seedling planting, fertilization management and the like. According to the method, the treatment measures of digging planting holes, applying 0.5-1.5 kg of duck manure into the planting holes and the like are taken, so that the volume of the planting holes is increased, and the acid-base property of the planting holes is improved and is suitable for long-term growth of the biodiesel trees; meanwhile, disinfection and rooting promoting are conducted on biodiesel tree seedlings, so that the survival rate of the transplanted biodiesel tree seedlings is high, and rooting and growth of the biodiesel tree seedlings are well prompted; special fertilizer for the biodiesel trees is reasonably applied in the cultivation period, so that the planting cost is reduced, the biodiesel trees grow vigorously, the fruit yield is increased, and the economic benefit of biodiesel tree planting is increased.

The invention discloses a base fertilizer for sprouts. The base fertilizer comprises the following components in parts by mass: 50-60 parts of livestock manure, 20-30 parts of a compost, 10-15 parts of plant ash, 10-15 parts of biogas residues, 3-5 parts of mineral matters, and 1-3 parts of fulvic acid. The product has the advantages of simple proportioning, abundant fertility, safety and reliability; and the product can obviously increase yield.

The invention relates to the technical field of agricultural planting, in particular to a chloranthus spicatus flower promoting and controlling method which comprises the following steps: S1, planting substrate treatment: selecting 3 parts of humus soil, 5 parts of field soil, 1.5 parts of sand, 1.5 parts of dried pond sludge, 0.8 part of a compound fertilizer and 0.7 part of coal cake slag to prepare culture soil, sequentially laying coarse pebbles, gravel and fine sand at the bottom of a planting pond from bottom to top, and then laying the culture soil on the fine sand; S2, chloranthus plant treatment: during March to April, dividing 2-3 water sprouts on a stock plant into a group, gathering the water sprouts together, slightly carving and burying the water sprouts with soil with the buried depth of 4.5-5cm, waiting for 2 months, selecting internode branches, cutting the selected internode branches from the stock plant, soaking the roots of the internode branches with rooting water, mixing and stirring a sterilizing solution and deep soil to form slurry, and smearing roots of the internode branches with the slurry. By means of the method, the problems that at present, chloranthus is generally cultivated artificially, the flowering time of the artificially-cultivated chloranthus is different, and the chloranthus cannot bloom according to use requirements can be effectively solved.

The invention relates to the field of ginger planting, and specifically discloses a ginger planting method using agricultural waste straws as a matrix. The method comprises pulverizing agricultural waste straws, then mixing with vermiculite, plant ash and water-retaining agent, and after mixing to obtain agricultural waste straws For the soil with straw as the matrix, dig a gully in the ginger planting area, and lay the soil with agricultural waste straw as the matrix in the gully. The thickness of the soil with agricultural waste straw as the matrix should be higher than ten centimeters. The soil should be five centimeters lower than the gully shore. The invention can effectively promote the growth of ginger, prevent the occurrence of waterlogging or drought, and at the same time effectively ensure the output of the ginger, and secondly, it can also avoid the occurrence of adverse effects on the ginger planting area due to the use of the sunshade net. The effect of increasing income.

The invention provides a mineral slow-release fertilizer and a preparation method thereof. The preparation method provided by the invention comprises the following steps: a) mixing materials: mixing the materials to obtain a mixture; the materials comprise the following components in parts by mass: 85-90 parts of pretreated fly ash, 3-5 parts of bentonite, 3-5 parts of ordinary Portland cement, 0.2-3.5 parts of urea, 0.2-4 parts of diammonium hydrogen phosphate, 1-3 parts of desulfurized gypsum and 8-15 parts of water; wherein the pretreated fly ash is plasma pretreated fly ash, and is obtained by the following steps: putting fly ash into a plasma reaction kettle, and pretreating for 10-40 minutes, so as to obtain the pretreated fly ash; the power of the plasma treatment is 40-90 W, the treatment gas is oxygen, and the flow of the treatment gas is 20-60 L / min; b) balling and granulating; and c) steam curing. The mineral slow-release fertilizer prepared by the invention can reduce the cost, and is safe, environment-friendly, high in stability and long in effective period.